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The phenolic compounds present in 29 samples of olive fruits were analysed by reversed-phase HPLC/DAD and/or HPLC-DAD/ESI-MS/MS. All samples were collected during the normal picking period for olive oil production, in north and central Portugal, and were obtained from 18 different olive cultivars.Two different extraction methods were necessary for the complete quantification of phenolic compounds,...
The non-coloured phenolic composition of red wine obtained from Touriga Nacional grapes growing in the Dao region (Portugal) was determined by HPLC/DAD and 16 compounds were identified and quantified. The effect of nine different Dekkera bruxellensis strains on the levels of phenolic acids and flavonoids of the wine were also evaluated. In all samples (inoculated and non inoculated), phenolic acids...
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